21492857 (number)

21492857 is an odd 8-digits composite number following 21492856 and preceding 21492858. In scientific notation, it is written as 2.1492857 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 19649952 positive integers (up to 21492857) that are relatively prime to 21492857.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred fifty-seven

Notation

Scientific notation 2.1492857 × 10^7
Engineering notation 2.1492857 × 10^6

Prime Factorization of 21492857

Prime Factorization 19 × 551 × 2053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492857
Product of the distinct prime numbers

The prime factorization of 21492857 is 19 × 551 × 2053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492857)

Multiplication

n×y
n×2 42985714
n×3 64478571
n×4 85971428
n×5 107464285

Division

n÷y
n÷2 10746428.5
n÷3 7164285.6666667
n÷3 5373214.25
n÷5 4298571.4

Exponentiation

ny
n2 461942902022449
n3 9.9284727353335E+21
n4 2.1339124472892E+29
n5 4.5863875080107E+36

Nth Root

y√n
2√n 4636.0389342627
3√n 278.03409084544
4√n 68.088464032189
5√n 29.272433619615

Divisors of 21492857

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492856
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492857 can be divided by 8 positive divisors. The sum of these divisors (counting 21492857) is 1, the average is 0.125.

Base conversion 21492857

Base System Value
2 Binary 1010001111111010001111001
3 Ternary 1111102221122202
4 Quaternary 1101333101321
5 Quinary 21000232412
6 Senary 2044355545
8 Octal 121772171
10 Decimal 21492857
12 Duodecimal 7245bb5
16 Hexadecimal 147f479
20 Vigesimal 6e6c2h
36 Base36 csnzt

Cryptographic Hash Functions

md5 9dd2b04acb20c961bcfaadd7a0a3a053
sha1 044953b2d2ae077ae445f8e5fa29f2bdf597ea1f
sha256 e430dea4c70e09d69bfd4646cf63af0b8c26b7b6264c42048fe3d5aa27bdeab6
sha512 c8b22c54a4e85b4ab240571cdef96ab70afc44fa5b73ca18d397f5742cd113bef281959f0e895a5b387323267b12df45583b53aed0ecd0060c7ab3511dcf9c82
ripemd-160 82fb57e32b739ecf9376dbcec0df7fbb118b9838

21492857 as geometric shapes

Circle

Radius = n
Diameter 42985714
Circumference 135043603.31171
Area 1.4512364273717E+15

Sphere

Radius = n
Volume 4.1588289342254E+22
Surface area 5.8049457094867E+15
Circumference 135043603.31171

Square

Length = n
Perimeter 85971428
Area 461942902022449
Diagonal 30395489.863546

Cube

Length = n
Surface area 2771657412134694
Volume 9.9284727353335E+21
Space diagonal 37226720.323812

Equilateral Triangle

Length = n
Perimeter 64478571
Area 2.0002714412467E+14
Altitude 18613360.161906

Triangular Pyramid

Length = n
Surface area 2.0002714412467E+14
Volume 1.1700817329967E+21
Height 10131829.954515